Initial revision

fs/jffs2/jffs2_private.h

@@ -0,0 +1,78 @@
+#ifndef jffs2_private_h
+#define jffs2_private_h
+
+#include <jffs2/jffs2.h>
+
+struct b_node {
+	u32 offset;
+	struct b_node *next;
+};
+
+struct b_lists {
+	char *partOffset;
+	struct b_node *dirListTail;
+	struct b_node *dirListHead;
+	u32 dirListCount;
+	u32 dirListMemBase;
+	struct b_node *fragListTail;
+	struct b_node *fragListHead;
+	u32 fragListCount;
+	u32 fragListMemBase;
+
+};
+struct b_compr_info {
+	u32 num_frags;
+	u32 compr_sum;
+	u32 decompr_sum;
+};
+
+struct b_jffs2_info {
+	struct b_compr_info compr_info[JFFS2_NUM_COMPR];
+};
+
+static inline int
+hdr_crc(struct jffs2_unknown_node *node)
+{
+        u32 crc = crc32_no_comp(0, (unsigned char *)node, sizeof(struct jffs2_unknown_node) - 4);
+        u32 crc_blah = crc32_no_comp(~0, (unsigned char *)node, sizeof(struct jffs2_unknown_node) - 4);
+
+        crc_blah ^= ~0;
+
+        if (node->hdr_crc != crc) {
+                return 0;
+        } else {
+                return 1;
+        }
+}
+
+static inline int
+dirent_crc(struct jffs2_raw_dirent *node)
+{
+        if (node->node_crc != crc32_no_comp(0, (unsigned char *)node, sizeof(struct jffs2_raw_dirent) - 8)) {
+                return 0;
+        } else {
+                return 1;
+        }
+}
+
+static inline int
+dirent_name_crc(struct jffs2_raw_dirent *node)
+{
+        if (node->name_crc != crc32_no_comp(0, (unsigned char *)&(node->name), node->nsize)) {
+                return 0;
+        } else {
+                return 1;
+        }
+}
+
+static inline int
+inode_crc(struct jffs2_raw_inode *node)
+{
+        if (node->node_crc != crc32_no_comp(0, (unsigned char *)node, sizeof(struct jffs2_raw_inode) - 8)) {
+                return 0;
+        } else {
+                return 1;
+        }
+}
+
+#endif /* jffs2_private.h */